H04L 27/361
Modulation using a single or unspecified number of carriers
Official title: {Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation}
H04L27/361 (Modulation using a single or unspecified number of carriers) appears on 375 US grants and 379 published applications in this corpus.
Search patents in H04L- Granted patents
- 375
- Published applications
- 379
- Assignees
- 148
- Inventors
- 649
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 6 |
| 2003 | 2 | 10 |
| 2004 | 0 | 11 |
| 2005 | 4 | 17 |
| 2006 | 10 | 25 |
| 2007 | 20 | 37 |
| 2008 | 24 | 26 |
| 2009 | 22 | 30 |
| 2010 | 26 | 19 |
| 2011 | 42 | 21 |
| 2012 | 17 | 15 |
| 2013 | 25 | 19 |
| 2014 | 27 | 15 |
| 2015 | 18 | 15 |
| 2016 | 16 | 17 |
| 2017 | 20 | 14 |
| 2018 | 16 | 14 |
| 2019 | 12 | 15 |
| 2020 | 19 | 11 |
| 2021 | 13 | 9 |
| 2022 | 7 | 9 |
| 2023 | 12 | 6 |
| 2024 | 4 | 7 |
| 2025 | 4 | 7 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Communication method and apparatus21 Apr 2026US 12,609,859 B2Huawei Technologies Co., Ltd.
- Symbol sending method, symbol receiving method, symbol sending device, symbol receiving device and storage medium26 Aug 2025US 12,401,560 B2Zte Corporation
- Integrated circuit transceiver array synchronization1 Jul 2025US 12,348,607 B2Innophase, Inc.
- Device and method for phase adjustment of receiver for PAM signaling15 Apr 2025US 12,278,725 B2
- Techniques for linking modulation for multi-transmission reception point (trp) physical downlink control channel (pdcch)18 Jun 2026US 2026/0172194 A1QUALCOMM Incorporated
- Systems, methods, and apparatus for pruned constellations21 May 2026US 2026/0142864 A1
- Method and circuit arrangement for constant envelope modulation14 May 2026US 2026/0135750 A1Skyworks Solutions, Inc.
- Integrated Circuit Transceiver Array Synchronization5 Mar 2026US 2026/0067058 A1Innophase, Inc.
- Channel computation18 Dec 2025US 2025/0385693 A1
Most cited
By later US patents
- Method and system for a wideband polar transmitter141US 8,036,308 B2Broadcom Corporation · 2011
- Systems and methods for converting a stream of complex numbers into an amplitude and phase-modulated radio power signal108US 6,411,655 B1Ericsson Inc. · 2002
- Optical method of transmitting digital data81US 5,920,416 A1999
- Efficient modulation of RF signals80US 7,724,837 B2Sony Ericsson Mobile Communications AB · 2010
- Polar modulation transmitter74US 7,072,626 B2Telefonaktiebolaget LM Ericsson (publ) · 2006